Audi S3 8V 2.0 TFSI Engine Crankshaft Position Sensor 06H906433D

Audi S3 8V 2.0 TFSI Engine Crankshaft Position Sensor is a precision component from the Engine sensors and switches group, responsible for accurate crankshaft position readings and stable engine operation. A properly selected sensor ensures correct ignition and injection synchronization, which translates into smooth engine performance, reliable starting, and predictable power delivery in the sporty Audi S3 8V 2.0 TFSI.

Specifications and technical data

• SKU: 06H906433D
• Mark: Audi
• Condition: Used
• OEM Part Number: 06H906433D
• Substitutable numbers: 06H906433D, 06H 906 433 D, 0261210383, 0 261 210 383
• Category: Engine Sensors & Switches

The role of the crankshaft position sensor in the Audi S3 8V 2.0 TFSI

The crankshaft position sensor in the 2.0 TFSI engine is one of the key components of the engine management system. Based on its signal, the engine control unit (ECU) determines:

• the precise fuel injection timing,
• ignition advance angle,
• engine RPM,
• correct synchronization with other sensors in the system.

A functional sensor helps reduce issues with starting the engine when hot or cold, unstable idle speed, or sudden engine stalling while driving. In a sports model like the Audi S3 8V, this has a direct impact on predictable acceleration and comfortable, dynamic driving.

Application and compatibility with the control system

The offered component is designed for use in the 2.0 TFSI petrol engine management system in the Audi S3 8V. Thanks to its design, which complies with factory specifications, it ensures:

• proper cooperation with the original engine control unit,
• a stable signal for the ignition and injection system,
• installation in place of the factory sensor without any wiring modifications.

Such compatibility is particularly important in turbocharged units, where the precision of crankshaft position readings affects engine refinement, throttle response, and thermal safety.

Product characteristics and condition

The presented sensor belongs to the group of original Audi brand components, which means it maintains the geometry, connector type, and signal characteristics consistent with factory requirements for the S3 8V 2.0 TFSI. The item is offered as a used part, which in practice allows you to combine an attractive price with the performance parameters typical of OEM solutions.

Choosing an original crankshaft position sensor instead of a cheap replacement reduces the risk of starting problems, engine control unit errors, and unpredictable power loss. This is especially important in vehicles driven dynamically, where the stability of sensor signals has a direct impact on the durability of the engine.

Benefits of using an original sensor in an Audi

Replacing a faulty or unstable crankshaft position sensor with an original Audi component brings a number of practical benefits:

• more predictable engine starting in various temperature conditions,
• reduced risk of errors related to crankshaft and camshaft synchronization,
• better refinement at idle and under load,
• maintenance of factory performance parameters for the 2.0 TFSI unit.

For users who care about the technical condition of their Audi S3 8V, using an original sensor from the Engine sensors and switches group is a reasonable compromise between cost and reliability.

If you are planning a comprehensive repair or upgrade of your Audi's engine area and need other components from the same group, such as temperature sensors, pressure sensors, or control switches, check out the available parts in the Audi engine sensors and switches category.

Technical support and knowledge development

When diagnosing engine performance issues, it is worth using reliable sources of information regarding modern engines and their accessories. A good point of reference may be an article describing the impact of accessories on the performance of diesel units, such as the OM642 – you can find it here: The second life of the Mercedes OM642 engine – how injectors and turbochargers restore the power of the 3.0 V6 CDI. Although it concerns a different design, it clearly shows how important the efficiency of measuring and actuating elements is for the entire powertrain.

If you want to better plan your purchases and select a wider set of original used parts in one place – from engine components to small accessories – the guide on one-stop-shop component sourcing may be helpful: Comprehensive supply: from the engine to the smallest clip – how to complete used car parts in one place.